H04N 5/78213
Involving recording in different depths of the magnetic tape
Official title: {involving recording in different depths of the magnetic tape}
H04N5/78213 (Involving recording in different depths of the magnetic tape) appears on 39 US grants and 8 published applications in this corpus.
Search patents in H04N- Granted patents
- 39
- Published applications
- 8
- Assignees
- 19
- Inventors
- 71
- Latest grant
- 24 Jun 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 6 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus24 Jun 2008US 7,391,961 B2Sony Corporation
- Audio signal processing method, audio signal processing apparatus, HI-FI video apparatus, digital video apparatus and 8 MM video apparatus13 May 2008US 7,373,077 B2Sony Corporation
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus13 May 2008US 7,373,078 B2Sony Corporation
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus8 Apr 2008US 7,356,476 B2Sony Corporation
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus24 Jul 2007US 7,248,789 B2Sony Corporation
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus1 Sep 2005US 2005/0190208 A1Sony Corporation
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus1 Sep 2005US 2005/0190209 A1Sony Corporation
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus1 Sep 2005US 2005/0190210 A1Sony Corporation
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus1 Sep 2005US 2005/0190211 A1Sony Corporation
- Audio signal processing method, audio signal processing apparatus, Hi-Fi video apparatus, digital video apparatus and 8 mm video apparatus25 Aug 2005US 2005/0187775 A1Sony Corporation
Most cited
By later US patents
- Magnetic recording and/or reproducing apparatus having means for preventing audio-to-video crosstalk and noise generation47US 5,063,452 AVictor Company of Japan, Ltd. · 1991
- Magnetic tape recording apparatus35US 5,124,852 AVictor Company of Japan, Ltd. · 1992
- Video signal recording format, deep recording/reproducing apparatus and method therefor30US 5,572,331 ASamsung Electronics Co., Ltd. · 1996
- Apparatus for discriminating audio signals27US 5,481,370 ASamsung Electronics Co., Ltd. · 1996
- Magnetic recording and reproducing apparatus which records analog time-base-compressed audio signals along with video signals24US 5,319,501 AMitsubishi Denki Kabushiki Kaisha · 1994